BAAS, Pieter; HOVENKAMP, Peter. Obituary : Jan Frits Veldkamp (1941–2017). Sibbaldia: the International Journal of Botanic Garden Horticulture, [S. l.], n. 16, p. 5–6, 2018. DOI: 10.24823/Sibbaldia.2018.242. Disponível em: https://journals.rbge.org.uk/rbgesib/article/view/242. Acesso em: 29 jun. 2025.